feat: refactoring of xml parsers

src/BusProNet/DataProvider/CountryDataProvider.php

@@ -18,7 +18,7 @@ class CountryDataProvider
     {
         try {
             return $this->cache->get('bpn_countries', function (ItemInterface $item) {
-                $item->expiresAfter(3600);
+                $item->expiresAfter(6 * 60 * 60);
 
                 return $this
                     ->apiClient